The bunkoban version also have the one-shots:「海に墜ちるツバメ」 -Umi ni Ochiru tsubame「記憶の足音」- Kioku no AshiotoBoth also present in Umi ni Ochiru Tsubame.

Resume from ShoujoMagic:Izumi Erina is a senior in high school. She only has one living relative - her older brother Takashi. However, Erina receives an arrest notice for Takashi one day, who is supposed to be in Turkey at the time!! In order to look for Takashi, a mysterious man Sinclair came to Japan and brought Erina along with him. What is the "Black Trap" that awaits Erina in a foreign country...?! A shocking romantic suspense work filled with waves of love and hate!!